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Primary Examiner: Caroff, Marc L.
Assistant Examiner:
Attorney: Connolly and Hutz

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Title: Method of removing dental cement from surfaces

Abstract: Carboxylate and zinc oxyphosphate types of dental cement are removed from dental products by applying a solution containing an organic acid having a COOH radical to the dental product. A preferred organic acid is citric acid.

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Other info:

Inventors: Longo, James J. (Wilmington, DE, US)

Application Number: 875306
Filing Date: 1978-02-06
Publication_date: 1979-07-24
Assignee: DHP Corporation (Wilmington, DE)
Primary Class(es): 134/1 134/3, 134/38, 134/41, 134/42, 433/229, 510/137, 510/138, 510/159, 510/366, 510/434
Other Classes:
US Patent Ref:

2142780	Jan, 1939	Fortney	32/1.
2303932	Dec, 1942	Guild	252/DIG.
2665218	Jan, 1954	Saffir	106/35.
3510322	May, 1970	Higashi et al.	106/35.
3574123	Apr, 1971	Laugle	134/38.
3926646	Dec, 1975	Inoue	106/35.
3986998	Oct, 1976	Schmitt et al.	106/35.
3997459	Dec, 1976	Bogie et al.	134/3.
3998654	Dec, 1976	Falaas et al.	134/38.
4024085	May, 1977	Kobayashi et al.	134/38.
4032627	Jun, 1977	Suchan et al.	106/35.

Other Refs: Other References: Chem. Abstracts, No. 103015r, 1971 (Eriksson, Odontol. Revy, 1970, 21(3), pp. 309-318).
Cruse et al., Soap and Chem. Specialties, "Waterless Hand Cleaners", Nov. 1963, pp. 41-42, 103-104.